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Home >> Chevrolet >> 1999 >> Forward Control P12 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls - Service & Adjustment Specifications) >> Mechanical Checks >> Engine Compression
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Engine Compression

WARNING: This page is about a different variant/trim than selected.
COMPRESSION SPECIFICATIONS

Application Specification
Normal Compression Pressure
1.6L & 2.0L 199 psi (14.0 kg/cm2 )
2.2L, 3.4L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L & 7.4L (1)
6.5L (2)
Minimum Compression Pressure
1.6 & 2.0L 170 psi (12.0 kg/cm2 )
2.2L, 3.4L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L & 7.4L (1)
6.5L (2)
(1) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (7 kg/cm2 ).
(2) Lowest compression reading should not be less than 80 percent of highest compression reading. No cylinder compression reading should be less than 370 psi (27 kg/cm2 ).
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